Over a large sized, lightly oiled skillet, cook onion in medium heat for 3 minutes, or until slightly yellow. Add bell pepper and cook for 2 more minutes

Add meat and cook until all liquids are gone, about 5 minutes. Add tomato sauce, ketchup, garlic powder, sugar, thyme and season with salt and pepper. Cook in low heat for 30 minutes. Serve with hamburger buns and enjoy